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Oldwrench 
Bronze Level
Joined: 12 Jan 2020
Location: Northeast
Points: 151
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 Topic: D17 IV Brake Overhaul
Posted: 04 Apr 2023 at 8:43am |
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I'm going to get ready to overhaul the D17 IV brakes. It is not the kind of job that I want to do twice or have to go into it again for my lifetime. Any recommendations on finding high quality linings, drums if needed, seals, etc? Is Agco the highest quality source, assuming they have everything? I worry a bit with all the cheap east asian aftermarket stuff anymore, of sourcing good quality parts. Not sure yet all it will need, but linings and seals will obviously be needed. Any tips and advice on what to look for once it's apart are appreciated. I plan to replace every seal I come across obviously. Seals are one area where the rubber on some of the aftermarket stuff is junk, so I really need to know a good manufacturer to go to on those.
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IBWD MIke
Orange Level
Joined: 08 Apr 2012
Location: Newton Ia.
Points: 4086
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Posted: 04 Apr 2023 at 8:45am |
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I would talk to Rick Corder on here for the linings!
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AC720Man
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Joined: 10 Oct 2016
Location: Shenandoah, Va
Points: 5232
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Posted: 04 Apr 2023 at 1:55pm |
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Get the seals from AGCO and I second the recommendation for Ricks brake components. He does fabulous work and quality materials.
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1968 B-208, 1976 720 (2 of them)Danco brush hog, single bottom plow,52" snow thrower, belly mower,rear tine tiller, rear blade, front blade, 57"sickle bar,1983 917 hydro, 1968 7hp sno-bee, 1968 190XTD
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DSeries4
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Joined: 12 Sep 2009
Location: Ontario, Canada
Points: 7505
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Posted: 04 Apr 2023 at 4:09pm |
 AC720Man wrote:
Get the seals from AGCO and I second the recommendation for Ricks brake components. He does fabulous work and quality materials. |
x2. You will also need to measure the clearance between the bearing retainer and brake drum when you put everything back together (and add/remove shims as needed). That can determine how long the new brakes last. I think it's between 30 and 80 thou, but it's been a few years for me. The service manual tells the exact numbers. Once you do these brake jobs a few times, they are actually pretty straight forward.
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'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '63 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080
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DrAllis
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Joined: 12 Sep 2009
Points: 21902
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Posted: 04 Apr 2023 at 6:34pm |
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I like to shim my brake jobs down to .020" minimum and will let .030" pass. Assemble with two axle bolts tight and use a feeler gauge to check the clearance. This distance increases as the disc lining wears, so you want it tight to start with. All four springs need to be NEW. Remove brake rod and add an extra 1/2" of threads and anti-seize threads when assembling. Grease your ball pockets. Axle splines need some light lube. Hydraulic console on series 4 does not need to be removed. Disconnect some linkage underneath and wire it up. Use a prop at the front of the console to hold it up a couple inches and the axle slides right out under it.
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